The convention center location remains in the cards if a challenge to its expansion approved last year by the California Coastal Commission prevails.

A downtown site within eyeshot of Petco Park remains high on their list but requires the city agree to give up property it owns.

Besides San Francisco, new NFL stadiums are set to open in Minnesota in 2016 and Atlanta in 2017. Should a 2016 ballot measure here come to fruition and win approval, a new stadium could be ready by 2018 or 2019, shortly after the 20-year Qualcomm naming rights that cost the tech giant paid $18 million for in 1997 expire.